Applications of time-resolved terahertz spectroscopy in ultrafast carrier dynamics |
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| Authors: | Qingli Zhou Xicheng Zhang Beijing Key Laboratory for Terahertz Spectroscopy Imaging Key Laboratory of Terahertz Optoelectronics Ministry of Education |
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| Institution: | Qingli Zhou1 and Xicheng Zhang 2 1 Beijing Key Laboratory for Terahertz Spectroscopy and Imaging,Key Laboratory of Terahertz Optoelectronics,Ministry of Education,Department of Physics,Capital Normal University,Beijing 100048,China 2 Department of Physics,Applied Physics,and Astronomy,Center for Terahertz Research,Rensselaer Polytechnic Institute,Troy,New York 12180,USA |
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| Abstract: | Three time-resolved terahertz (THz) spectroscopy methods (optical-pump/THz-probe spectroscopy,THzpump/THz-probe spectroscopy,and THz-pump/optical-probe spectroscopy) are reviewed.These are used to characterize ultrafast dynamics in photo-or THz-excited semiconductors,superconductors,nanomaterials,and other materials.In particular,the optical-pump/THz-probe spectroscopy is utilized to investigate carrier dynamics and the related intervalley scattering phenomena in semiconductors.The recent development of int... |
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